Home / 19,404.09-26,777.28-10,790.80

Finding the Fourth Proportional to 19,404.09, 26,777.28 and 10,790.80

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Solution

The fourth proportional to 19,404.09, 26,777.28 and 10,790.80 is: 14,891.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,404.09 : 26,777.28 = 10,790.80 : x
  2. Step 2: Convert to fraction form
    19,404.09/26,777.28 = 10,790.80/x
  3. Step 3: Cross multiply
    19,404.09x = 26,777.28 × 10,790.80
  4. Step 4: Simplify right side
    19,404.09x = 288,948,273.02
  5. Step 5: Solve for x
    x = 288,948,273.02/19,404.09
  6. Step 6: Final answer
    x = 14,891.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.